Home / 147,357.03-203,357.58-82,837.47

Finding the Fourth Proportional to 147,357.03, 203,357.58 and 82,837.47

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Solution

The fourth proportional to 147,357.03, 203,357.58 and 82,837.47 is: 114,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,357.03 : 203,357.58 = 82,837.47 : x
  2. Step 2: Convert to fraction form
    147,357.03/203,357.58 = 82,837.47/x
  3. Step 3: Cross multiply
    147,357.03x = 203,357.58 × 82,837.47
  4. Step 4: Simplify right side
    147,357.03x = 16,845,627,432.52
  5. Step 5: Solve for x
    x = 16,845,627,432.52/147,357.03
  6. Step 6: Final answer
    x = 114,318.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.